Fluorometer display screen with graphical user interface



FIG. 1 is a front view of a display screen or portion thereof with a graphical user interface showing our new design; and,

FIG. 2 is a front view of a second embodiment thereof.

The outer broken lines in the Figures represent a display screen or a portion thereof, and form no part of the claimed design. The other broken lines within the Figures show portions of the graphical user interface that form no part of the claimed design. 

CLAIM The ornamental design for a fluorometer display screen with graphical user interface, as shown and described. 